Place Value

I CAN read and write numbers in different ways.

Whole group math 9.28.20

There are multiple ways to write the same number.

Standard Form- The form that we usually see when working with problems. Ex: 386

Base Ten Form- drawing the hundreds, tens, and ones with flats, tens rods, and units

Word form- using words to write the number

Expanded form- writing an addition sentence based on the value

Multiple Choice

How do you write 143 in expanded form?

• 100+40+3

• 143

• 1+4+3

• 10+4+3

Multiple Select

What is another way to write this number? (342)

• 3+4+2

• three hundred

• 300+40+2

• three hundred forty-two

Multiple Choice

If I have 3 hundreds, 6 tens, and 8 ones. What's my number in standard form?

• hundreds

• 638

• 863

• 368

Multiple Choice

Was I correct in writing 2+2+1 as the expanded form of the number 221?

• Yes!

• No

If you answered no, give yourself a pat on the back!

Remember, when writing in expanded form you will write the addition sentence based on the value of each number. So, 221 would be 200 +20 + 1

Open Ended

Write the number 261 in word form.